pinion

  1. L

    Max speed with 4.56 gears, 35” tires, 2.5” lift

    Just got new Yukon 4.56 gears installed on my 12’ JK Rubicon, manual. The 4x4 shop that installed them mentioned they don’t recommend going over 65 mph or it could cause premature failure (even after break in period). I took it back after install due to a concern of noise from the rear...
  2. centuryhouse

    Help me understand: pinion angle vs castor

    2015 Rubicon JKU 4" lift, 35s 65k miles I got this JKU this summer and just noticed the front driveshaft had a lot of slop so replaced it with a double cardan shaft (single u-joint at front differential, double at transfer case). I installed it yesterday and now have a mild vibration at 55mph...
  3. J

    Loose pinion yoke problem. Am I being screwed over?

    Hi there, this is my first ever forum post so please excuse anything I do wrong. And I thank you greatly in advance for any info or help you can provide. To give some back story. I have a 2008 jku rubicon. About a month ago I had the gears changed for a set of 5.13s, I was also having some...